At which spatial scale are plant species composition and diversity affected in beech forests?

Table 4 Results of general linear model for diversity measures in relation to the significant landscape and stand factors

	Surrounding landscape matrix				pH
	β	r ²	F	P	β	r ²	F	P
S total	+	0.202	11.625	0.001*	+	0.311	20.757	0.000*
H′ total	+	0.312	20.817	0.000*	+	0.264	16.514	0.000*
J′ total	+	0.266	16.695	0.000*	+	0.178	9.975	0.003**
S tree	+	0.181	10.160	0.003**	+	0.100	5.108	0.029***
H′ tree	+	0.216	12.698	0.001*	+	0.167	9.205	0.004**
J′ tree	+	0.207	12.013	0.001*	+	0.158	8.651	0.005**
S shrub	+	0.276	17.517	0.000*	+	0.025	1.177	–****
H′ shrub	+	0.204	11.809	0.001*	+	0.014	0.646	–****
S herb	+	0.075	3.718	–****	+	0.421	33.398	0.000*
H′ herb	+	0.044	2.137	–****	+	0.397	30.297	0.000*
J′ herb	+	0.003	0.153	–****	+	0.168	9.256	0.004**

Richness (S), Shannon diversity (H′), and evenness indices (J′) for both total species and different life forms (tree, shrub, and herb) are shown
β standardised coefficient or beta coefficient, r ² regression coefficient, P significance level
*P ≤ 0.001; **P ≤ 0.01; ***P ≤ 0.05; ****P > 0.05

ISSN: 1297-966X